Incoloy 800 series nuts are widely used in industries that operate under high temperatures and severe service conditions. They are commonly applied in heat exchangers, furnaces, boilers, and thermal processing equipment. These nuts are also used in petrochemical plants, power generation units, and oil and gas facilities. Additionally, Incoloy 800, 800H, and 800HT nuts are suitable for chemical processing, pollution control systems, and high-temperature piping assemblies, ensuring secure fastening and reliable performance over long service life.